[PATCH] qga/vss-win32/install: Remove _com_util::ConvertStringToBSTR()

[Bernhard Beschow <shentey@gmail.com>]

Now that MSYS2 provides an implementation of the function it clashes with
QEMU's, resulting in a compilation error. Remove it since it doesn't seem
to be used anyway.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
---
 qga/vss-win32/install.cpp | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp
index 7b25d9098b..147bf387fd 100644
--- a/qga/vss-win32/install.cpp
+++ b/qga/vss-win32/install.cpp
@@ -548,25 +548,6 @@ STDAPI DllUnregisterServer(void)
 }
 
 
-/* Support function to convert ASCII string into BSTR (used in _bstr_t) */
-namespace _com_util
-{
-    BSTR WINAPI ConvertStringToBSTR(const char *ascii) {
-        int len = strlen(ascii);
-        BSTR bstr = SysAllocStringLen(NULL, len);
-
-        if (!bstr) {
-            return NULL;
-        }
-
-        if (mbstowcs(bstr, ascii, len) == (size_t)-1) {
-            qga_debug("Failed to convert string '%s' into BSTR", ascii);
-            bstr[0] = 0;
-        }
-        return bstr;
-    }
-}
-
 /* Stop QGA VSS provider service using Winsvc API  */
 STDAPI StopService(void)
 {
-- 
2.51.2